388779625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{571}}^1$

素因数の和:1018

約数の個数: 32

約数和(自身を含む): 524684160

約数和(自身を除く): 135904535

約数列:

[1, 5, 13, 25, 65, 125, 325, 419, 571, 1625, 2095, 2855, 5447, 7423, 10475, 14275, 27235, 37115, 52375, 71375, 136175, 185575, 239249, 680875, 927875, 1196245, 3110237, 5981225, 15551185, 29906125, 77755925, 388779625]

約数ペア:

[(1, 388779625), (5, 77755925), (13, 29906125), (25, 15551185), (65, 5981225), (125, 3110237), (325, 1196245), (419, 927875), (571, 680875), (1625, 239249), (2095, 185575), (2855, 136175), (5447, 71375), (7423, 52375), (10475, 37115), (14275, 27235)]